Finding the Third Proportional to 200,975.50 and 439,616

Step by Step Solution

1. Step 1: Write the proportion equation
   200,975.50 : 439,616 = 439,616 : x
2. Step 2: Convert to fraction form
   200,975.50/439,616 = 439,616/x
3. Step 3: Cross multiply
   200,975.50x = 439,616 × 439,616
4. Step 4: Simplify right side
   200,975.50x = 193,262,227,456
5. Step 5: Solve for x
   x = 193,262,227,456/200,975.50
6. Step 6: Final answer
   x = 961,620.83